Home / 14,340.20-19,789.38-8,052.57

Finding the Fourth Proportional to 14,340.20, 19,789.38 and 8,052.57

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Solution

The fourth proportional to 14,340.20, 19,789.38 and 8,052.57 is: 11,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.20 : 19,789.38 = 8,052.57 : x
  2. Step 2: Convert to fraction form
    14,340.20/19,789.38 = 8,052.57/x
  3. Step 3: Cross multiply
    14,340.20x = 19,789.38 × 8,052.57
  4. Step 4: Simplify right side
    14,340.20x = 159,355,367.71
  5. Step 5: Solve for x
    x = 159,355,367.71/14,340.20
  6. Step 6: Final answer
    x = 11,112.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.